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DA7217 Datasheet(PDF) 16 Page - Dialog Semiconductor

Part # DA7217
Description  Ultra-Low Power Stereo Codec
PDF  171 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA7217 Datasheet(HTML) 16 Page - Dialog Semiconductor

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DA7217
Ultra-Low Power Stereo Codec
Datasheet
Revision 2.5
01 Sep 2016
CFR0011-120-00
16 of 171
© 2016 Dialog Semiconductor
7
Electrical Characteristics
Unless otherwise stated, test conditions are as follows: VDD = VDD_IO = 1.8 V, VDDMIC = 3.3 V,
VDDDIG = 1.05 V, Ta = 25 °C, MCLK = 12.288 MHz, SR = 48 kHz, PLL = Bypass mode, Slave mode.
Table 5: Power Consumption
Description
Conditions (Note 1)
Min
Typ
Max
Unit
Powerdown mode
2.5
7
µA
Digital playback to headphone, no
load
DACL/R to HP_L/R, quiescent
4
mW
Digital playback to headphone, with
load
DACL/R to HP_L/R, 32
Ω load,
0.1 mW at 0 dBFS
7.7
mW
Microphone stereo record
MICL/R to ADCL/R
2.5
mW
Microphone stereo record and
digital playback to Headphone, no
load
MICL/R to ADCL/R and
DACL/R to HP_L/R, quiescent
5.5
mW
Microphone stereo record and
digital playback to headphone, with
load
MICL/R to ADCL/R and
DACL/R to HP_L/R, 32
Ω load,
0.1 mW at 0 dBFS
8.8
mW
Note 1
VDD = VDD_IO = VDD_MIC = 1.8 V
Table 6: Electrical Characteristics: Microphone Bias
Description
Condition
Min
Typ
Max
Unit
Programmable output voltage
No load, VDD_MIC >
VMICBIAS + 200 mV
1.6
3.0
V
Output voltage step
200
mV
Output current
Output voltage droop < 50 mV
2
mA
Power supply rejection ratio
20 Hz to 2 kHz
2 kHz to 20 kHz
70
50
dB
Output voltage noise
VMICBIAS ≤ 2.2 V
5
µVRMS
Table 7: Electrical Characteristics: Microphone Amplifier
Description
Condition
Min
Typ
Max
Unit
Full-scale input signal
0 dB gain, single-ended
0.8 * VDD
VPP
0 dB gain, differential
1.6 * VDD
Input resistance
12
15
18
kΩ
Programmable gain
−6
36
dB
Gain step size
6
dB
Absolute gain accuracy
0 dB @ 1 kHz
-1.0
1.0
dB
Gain step error
20 Hz to 20 kHz
-0.1
0.1
dB
Input noise level
Inputs connected to GND,
24 dB gain, input-referred,
A-weighted
5
µVRMS
Amplitude ripple
20 Hz to 20 kHz
-0.5
0.5
dB
Power supply rejection ratio
20 Hz to 2 kHz
2 kHz to 20 kHz
90
70
dB



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